Thou shalt lag no more
Copy cat
To clone or not to clone
Ready to eat?
Ban on human cloning
Dolly: real or a fluke?
Shielding from risk
Korean cloning expert quits
Curb cloning: Panel
One, two... many?
No to cloning
More of us
The creator of Dolly signs a contract to clone humans
Pre-emptive move
Inherent dangers
A mammoth clone?
Scientists are trying to create it, though the chances are slim
Bringing back to life
Ageing chromosomes